bmw n20 timing chain tensioner replacementbmw n20 timing chain tensioner replacement

Lift the chain and slide on the exhaust sprocket. 3 ratings. 2012-2015 BMW 3-Series and 4-Series Forum. You can use a flat-head screwdriver, youll run the risk of scoring the aluminum head. A forum community dedicated to BMW owners and enthusiasts. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Factoring in the cost of the tools with the parts brings the DIY bill to nearly $1200. Next, slide the wastegate actuator through its mounting bracket and secure it with its three 10mm nuts. Instagram: rjd_f30 | Current: EBII 2013 335i 6MT RWD & Sprint Blue 2008 Audi RS4 | Retired: 2013 328i, 2000 XTerra, 2022 Civic Si |. Posted on August 2, 2017 by bmwtechnician. With that said, it is a doable job for a DIYer if youre careful enough. Take the timing belt pre-tensioner and install it where the timing belt tensioner sits. Timing chain guide failure at 74,100 miles. Engines are built to tight tolerances, and a worn chain puts the internal parts outside of those tolerances. The oil pump drive assembly needs tension on its chain too, so remove the pin from that tensioner. Place the rubber covers on the nuts once they're tight. BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST, N20, N26, B46, B48 Turbo Engine / Drivetrain / Exhaust Modifications, https://www.newtis.info/tisv2/a/en/fshaft/HtiBPV3K, https://www.newtis.info/tisv2/a/en/fshaft/HipcnQuO, https://bmwtechnician.com/2016/08/07g-chain-issue/, https://www.carcomplaints.com/news/2g-chains.shtml. There are three bolts holding the oil pump drive assembly into the engine. The timing chain guides can now be loosened with everything else out of the way. Tighten down the intake pipe clamp with a flat-head screwdriver and fit the hood cable into the clips on the back of the airbox. Use a 14mm wrench to tighten the lines to the injectors. Find many great new & used options and get the best deals for OEM Timing Chain Kit & Oil Pump Drive Chain set For BMW N20 N26 2.0L F10 F22 F30 at the best online prices at eBay! Sponsored. Once the valve cover is seated, connect the vent line at the front of the cover. Lastly, pull the four ignition coils out from the engine. Move the remaining hose from the vacuum pump under the harness and around the engine. If BMW knows they're not saying, but they did change the tensioner, didn't they? Next, unplug the mass airflow sensor next to the clamp and unclip the hood release cable from the back of the airbox. A jack handle or a long piece of pipe can be slipped over the breaker bar. Grip the front of the engine cover and pull up to pop it off of the front locating pins. A flat-blade screwdriver can help push the tab in while you pull on the plug. Slip the drive onto the camshaft and then feel around with the bolts until you locate the threaded holes and can secure the pump to the cylinder head. Also includes BMW projects, tips and more. This motor is in just about all GM vehicles and product lines currently, no exaggeration. $(window).ready(function(){ $("body").getmelikes({ The BMW timing tool and be placed onto the camshafts once top dead center is reached. Engines are built to tight tolerances, and a worn chain will put the internal parts outside of those tolerances. If you needed to use the manual lockout on the side of the transmission to put it into neutral, back the bolt out with a 5mm hex wrench until the bolt isn't making contact with the lever. I've also been told that in most cases you can hear the whine well in advance to it breaking. Slide the front of the pan under the bumper and thread in one of the fasteners. The cost will get higher if you have to buy any of the other tools needed for the job. The tool is designed to be a tight fit and may require a few taps with your hand to seat fully onto the cylinder head. Here are some of our favorites from Europe. Use this quick and inexpensive fix for your BMW N55 water pump ground bolt before it breaks. Is it something that can be done in the garage? These 5 come in under $10,000. This is a Timing Chain Replacement Kit as referenced by BMW for the N20 and N26 engines found in many 2012-2016 BMW 228i/328i/428i/528i and Z4 28i RWD models. SCSN Engine Chain Guide Rail Tensioner 11317545959 for B MW N51 N52 N53 N54 N55 N20 Timing Chain Kit. The vacuum pump sits at the back of the valve cover and runs off of the intake camshaft. This engine component is designed to last, but it is subject to wear and . I say this loosely but "usually" the tensioner is located behind the timing cover. With the engine filled with oil, refit the negative cable onto the battery, but don't tighten it down. The wiring harness for the last few plugs runs along the back of the valve cover and is secured to it via a bracket. There are some visual differences and the spring on the latest version also seemed stronger. Next, install the spark plugs and tighten them to 23 N m. Then, insert the ignition coils over the plugs and press them down to seat them. HOW TO KNOW IF MY BMW WILL NEED TIMING CHAIN REPLACEMENT BMW F10 F11In this video we will explain if you have BMW F10 F11 5 Series how to know if your car is. Factoring in the cost of the tools with the parts brings the DIY bill to nearly $1200. Clip the actuator rod to the wastegate once the actuator is secured. Take a 5mm hex wrench and twist the locks in the center of the cowl 90 to the right to lock them, and the panel, down. Before threading those bolts in, get all of the fuel lines started on their injector's threads. Next, install the CTA balance shaft locking tool used to lock down the sprocket. So yes replacing the affected parts is a good idea as preventive maintenance, and replace the timing chain along with the guides as well. Start by lubricating the inside of the new crankshaft seal with oil. Set aside at least two days to give yourself ample time to do everything correctly and double-check your work. One the passengers side of the engine block, where the wastegate actuator sat, is the timing chain tensioner. }); }); All of the gaskets go on one way, so be sure that they are all in the proper orientation. Use a hammer and chisel or punch to knock out the crankshaft seal. The forward-most corner will also fit into a rubber mounting grommet. Thread two of the vibration dampener bolts into the mount and pull on them, wiggling it off of the crank snout. Two of those bolts look slightly different and have specific locations as they thread into the crankcase. It's a new year, and that means new inventory. Have the new bolts at the ready and install the new panjack up the engine as much as needed to slide the oil pan into place. Content on bimmerfest.com is generated by its users. The lobe must be at its bottom-most point when installing the fuel pump to prevent any damage being caused. Part of the reason Im so interested in learning about this platform. %PDF-1.6 % There are two plastic rivets, one on each corner of the cowl. The issue is with the timing chain tensioner. Along with this, there's an extended warranty for the issue. Once the two long bolts are tightened, snug up the four other hex bolts with the same wrench. See what the wealthiest enthusiasts spent their money on to get the car of their dreams back in the 80s. Manufacturer Part Number. Feed the assembly up through the bottom on the engine and fit the balance shaft gear onto the balance shaft. Part of the timing chain kit is a new oil pump drive assembly. Spread the ears open, fit them around the tabs on the center guide, and then pinch them to lock them in place. --> Once all of those have been released, pull the airbox out of the engine bay. Using a 16mm socket, remove the windshield wiper arms. Use a 27mm socket to tighten the tensioner to 80 N m. Loosen the engine mounts and jack the engine up off of the mounts. Use a 22mm socket on the crankshaft bolt to turn the engine over. It is nearly impossible to get a look at it with a camera, so youll need to feel around until you find it. Tightening this bolt will thread it up into a small lever coming out from the transmission. Several of the timing chain guide bolts are behind plugs Use an 8mm hex bit socket to remove the plugs. Rotate the balance shaft slightly until the bolt slips in if it doesnt right away. The job itself requires three special tools specific to this engine. gmltheme: 1, // Change theme here (1,2,3) Cost at the Mechanic: $1,624 to $1,879. Make sure the chain is seated properly in the teeth of the sprocket. I just did this job on a 2013 X3 XDrive (11/21). The rail itself is mounted to the cover by two clamps with two bolts each. On these two motors, the N20 and N26 Timing Chain . Before fitting the camshaft timing adjuster to the valve cover, wipe some fresh oil around their o-rings. Then thread in the new oil pump sprocket bolt by hand before tightening to 95 N m with a T60 socket. Unless I win the lottery of course. Definitely doable but would take a day or two depending on experience: The guide is made of a faulty material that degrades much quicker than expected. As it stretches, the chain gains play, allowing it to move around inside the timing cover. Free shipping for many products! .SQ2!2%c2b:EYsTtJXrsc~;a^I\_m(AY>.nnK[],(FZ7Sx/91H%H)i. The early production N20s had sprockets with smooth faces. Use a 24mm socket to tighten the cam adjusters to 55 N m, plus another 55 of rotation. Bringing the BMW community together. Use the straight sections in the seal to determine where it should sit in the pan. I know its apples to oranges, bringing in the Audi issue, but I thought it was relevant. On the front of the timing chain cover under each camshaft sprocket, are the camshaft angle sensors. Would Replacing to old timing chain tension the updated one prevent the timing chain problems on the pre 14s before they start? Then, install the rubber gaskets into the valve cover. WHEN the guide breaks, the timing chain begins to stretch. Support the middle guide when the second bolt is removed; otherwise, the guide will fall into the engine. Pull your hand off of the guide when you feel the tensioner makes contact with the guide. I'm personally going to just keep checking until my CPO is up in 11k. The tensioner keeps the timing chain tight and in place as the engine runs. Next, fit the new oil pan seal into the channel in the oil pan. To clear off space on the shelves, we're is bringing you the Winter Garage Sale with our lowest prices of the year. Have fun with that install haha. Amazon.com: bmw timing chain tensioner. If your vehicle happens to fall under an open recall, get in touch with the BMW customer service line at 1-800-525-7417. The drain plug on the engine is a 10mm hex. At the back of the cylinder head, nearly up against the firewall, is a vacuum pump. If i SAW ANY TENSIONER PIECES, I'd put a new chain and guides, there is a TSB from bmw that shows to replace these guides and chain for vehicle made before 03/2013 . However, if you were to go to a dealership for this job, out of the 7 year/70,000 mile warranty, youll be on the hook for more than that. The driver's side cover will have one extra push clip, just on the inside of the strut tower. 306 0 obj <>/Filter/FlateDecode/ID[<4086C04AEFF7314F821FD5E39C58A39D><94502FE68810844CBC30640B30230328>]/Index[287 34]/Info 286 0 R/Length 100/Prev 694800/Root 288 0 R/Size 321/Type/XRef/W[1 3 1]>>stream A fuel line is mounted to the oil pan just above the oil level sensor. The N20 and N26 engines are known to have a problem with the timing chain and guides that were originally installed at the factory. Next, seat them into their respective holes and drive in their fasteners with an E7 socket. There is a small circular plug on the harness for the fuel pump and boost control solenoid. There is a plug that needs to be pulled out of the transmissions bell housing. Let the starter run for somewhere between 5 and 10 seconds, and repeat the process once more. It also features dual VANOS, valvetronic, and direct injection. Use a socket to remove them and set the brace aside. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. Back the threaded rod out until the knurled portion of the tool sits against the block. Youll need to reach up on the passengers side of the transmission with a hook or pick tool and pull the plug out. But this valve guide issue has me concerned. According to BMWs statement on it and reports of those with bricked engines, it appears to be the plastic guide wearing down too quickly leading to slack and eventually skipping a tooth. Pulling out this plug will allow you to insert another lock to make sure the engine is set at top dead center for this procedure. Release the hold on the tensioner once all of the ribs in the belt are sitting in their grooves. There are a lot of small pieces that need to be removed and unclipped before getting into the heart of the timing system. Genuine and OEM Replacement Car Parts Online | BMW Volvo Audi VW . ?mm socket to remove the nut from the engine mount stud. NumberOfItems: 4 How long will it take to service the timing chain system on my BMW N20/N26? They did update the tensioner as well, but the root cause as far as I understand was the guide primarily. The engine timing chain is very weak - it stretches over time, and ultimately snaps . Remove the bolts and slide the panel forward to remove it. Tighten the nut used to secure the mount arm to the mount with a 16mm socket and an E12 socket for the three bolts securing the engine mount to the subframe. Next, fit the engine mounts back into the subframe and thread in the bolts to get it in the right orientation. As you thread the tool out, watch the chain guide move. The crankshaft pulley mount sits on the snout of the crankshaft and helps to align the chains in the engine. The timing chain guides, as their name suggests, keep the chain on its proper path at the proper tension. BMW claims that the breakaway torque for the crankshaft bolt is 600Nm. Have a drain pan at the ready and remove the drain plug. Use an E6 socket to tighten the three screws that mount the bracket to the valve cover and torque them to 6 N m. The third screw mounts to the back of the cover in a similar orientation to the vacuum pump bolts. A timing chain will stretch over time. Leave the solenoid attached to the actuator; it will mount to the valve cover. The labor alone will be between 10-15 hours, causing the cost of the job to be upwards of $5000. Grab a rag or six as there is fuel in these lines, and it is under pressure. Using the Allen bolts supplied in the tool kit, secure the cam timing tool to the front of the engine. Disconnect the large line coming off of it and then use a short T30 socket to remove the three bolts mounting it to the head. There are a lot of small pieces that need to be removed and unclipped before getting into the heart of the timing system. Brand: HJL. Probably, but as long as you catch it before your engine grenades, you're better off waiting until it's necessary and upgrading to new ones at that point. hbspt.cta._relativeUrls=true;hbspt.cta.load(3867393, '95a320c9-3296-4e09-83b0-65ae33cb818e', {"useNewLoader":"true","region":"na1"}); It's well known that the BMW N20 and N26 engine have timing chain problems. My 2014 X1 which I have owned since new has just under 50,000 miles. To replace the entire guide/chain/tensioner is either a costly fix with a shop or a longer one with you doing it at home. The issue is still fairly rare, and it's not too terribly likely you'll be affected. Jack the car up and place it on jack stands. Starting at the exhaust side front corner, remove the bolts in a counter-clockwise spiral pattern, removing the outermost bolts before moving to the inner bolts. showfeature: 1 // change to 0 to turn it off, 1 to turn on. First, take the chain, the three guide pieces, and the sprocket, and lay them out on a flat surface. Bn )ve $` Refit the removed engine mount arm bolt and tighten all three of them with an E12 socket. The new crankshaft bolt is a torque to yield bolt, meaning it is one-time use. Secure it to the valve cover using its two T30 screws and torque them to 5.5 N m. The boost line clips into the heat shield below. Use a 22mm socket to rotate the pulley to give yourself better access to the bolts. Thread them in by hand, so they don't become cross-threaded and tighten them to 10 N m with a T30 socket.